Backpack cooler



FIG. 1 is a perspective view of the backpack cooler showing the design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a perspective view of the backspace cooler showing the design with a top flap thereof displaced to shown an upper drawstring collar portion thereof in a drawn condition; and,

FIG. 9 is a perspective view of the backspace cooler showing the design with the top flap thereof displaced to shown the upper drawstring collar portion thereof in an open condition.

The broken lines represent stitch lines. 

The ornamental design for a backpack cooler, as shown and described. 